Biennial Maintenance - Nuova Simonelli OSCAR II Service Manual

10.4

BienniaL Maintenance

Time required 60 - 90 min:
The skilled technician should take all the necessary precautions concerning safety measures to insu-
late the machine from the mains and to avoid pressure in the heater, waterline closure or tank removal
so as to prevent inconveniences or damages. Before proceeding, remove all machine covers and
check for any damage or leakage.
 Check for any sign of leakage;
 Check all wirings;
 Check pump noise;
 Check for any drip from the unit, the steam nozzle and the hot water nozzle;
 Replace the non-return valve (01000023);
 Check self-level function;
 Check heater pressure (______Bar);
 Check total production of beverages;
 Check electrovalve for leakages;
 Check heater for leakages;
 Replace group gasket (02280020.C);
 Replace shower screen (03000066);
 Insert or replace, if necessary, shims under the seal (02060014);
 Replace the pressure switch (09200014);
 Replace the steam nozzle seals (05000001);
 Replace the steam nozzle closing piston (98008004);
 Replace the 2-coffee filter (03000073);
 Replace the 1-coffee filter (03000072);
 Replace the steam nozzle support seal (02280037);
 Replace the nozzle support seal (02280011);
 Replace the steam lever piston seals (2 x 02280014);
 Replace the steam nozzle seal (02280036);
 Replace the unit expansion valve (98120001).
the water hardness must be below 6°fr (French degree).
the chlorine content must not exceed 100 mg.
necessary spare parts:
01000023
02280020.C
03000066
02060014
09200014
05000001
98008004
03000073
03000072
02280037
02280011
2x02280014
02280036
98120001
10.4
SeRvice ManuaL
nOteS
AUTORYZOWANY DYSTRYBUTOR
w w w . s i m o n e l l i g r o u p . p l
Ed. 02 of 09/2016